#include<stdio.h>
int main()
{
	int i;
	char s[100]="";
	gets(s);	
	for(i=0; s[i]!='\0'; i++)
	{
         if(s[i]>='a'&&s[i]<='z')
	         s[i]=(s[i]+2-'a')%26+'a';
	     if(s[i]>='A'&&s[i]<='Z')
		     s[i]=(s[i]+2-'A')%26+'A';
	     if(s[i]>='0'&&s[i]<='9')
		     s[i]=(s[i]+2-'0')%10+'0';
	}
	puts(s);
	return 0;
}

